RestExampleClientDelete.php

<?php

namespace Drupal\rest_example\Form;

use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Form\ConfirmFormBase;
use Drupal\Core\Url;
use Drupal\rest_example\RestExampleClientCalls;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Delete a new node on a remote Drupal site.
 *
 * @ingroup rest_example
 */
class RestExampleClientDelete extends ConfirmFormBase {
    
    /**
     * RestExampleClientCalls object.
     *
     * @var \Drupal\rest_example\RestExampleClientCalls
     */
    private $restExampleClientCalls;
    
    /**
     * RestExampleClientController constructor.
     *
     * @param \Drupal\rest_example\RestExampleClientCalls $rest_example_client_calls
     *   RestExampleClientCalls service.
     */
    public function __construct(RestExampleClientCalls $rest_example_client_calls) {
        $this->restExampleClientCalls = $rest_example_client_calls;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container) {
        return new static($container->get('rest_example_client_calls'));
    }
    
    /**
     * {@inheritdoc}
     */
    public function getFormId() {
        return 'rest_example_client_delete';
    }
    
    /**
     * {@inheritdoc}
     */
    public function getQuestion() {
        return $this->t('Are you sure that you want to delete this content.');
    }
    
    /**
     * {@inheritdoc}
     */
    public function getCancelUrl() {
        return new Url('rest_example.client_actions_index');
    }
    
    /**
     * {@inheritdoc}
     */
    public function getConfirmText() {
        return $this->t('Delete');
    }
    
    /**
     * {@inheritdoc}
     */
    public function validateForm(array &$form, FormStateInterface $form_state) {
        if (is_null($form_state->get('node_id')) || !is_numeric($form_state->get('node_id'))) {
            $form_state->setErrorByName('delete', $this->t('The ID passed in the URL is not an integer'));
        }
    }
    
    /**
     * {@inheritdoc}
     */
    public function buildForm(array $form, FormStateInterface $form_state, $id = NULL) {
        $form = parent::buildForm($form, $form_state);
        $form_state->set('node_id', $id);
        return $form;
    }
    
    /**
     * {@inheritdoc}
     *
     * @throws \GuzzleHttp\Exception\GuzzleException
     */
    public function submitForm(array &$form, FormStateInterface $form_state) {
        $node_id = $form_state->get('node_id');
        $node = [
            'nid' => $node_id,
        ];
        $this->restExampleClientCalls
            ->delete($node);
        $this->messenger()
            ->addStatus($this->t('Node was successfully deleted'));
        $form_state->setRedirect('rest_example.client_actions_index');
    }

}